CBR 929RR 2000 - 2001 CBR 929RR Forum

My CBR 929rr FI light is flashing a code 34

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Old 04-02-2010, 04:53 PM
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Default My CBR 929rr FI light is flashing a code 34

My 929's FI light had come on a while back, and i stopped riding it so i wouldnt cause any damage if there was some already. It still drives fine, but its throwing a code 34, which i read in the manual is 3 long flashes and 4 quick flashes. And I want to take it to the shop to be fixed, but i dont want to be charged an outragous fee to fix it. Can anyone tell me what they think. Plus while it has been parked, i did replace the air filter with a K&N filter, and it seems to idle high for a moment then lower down now. Did i do something wrong, or miss something??
 
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Old 04-04-2010, 04:59 PM
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The service manual states that code 34 is a "Faulty EGCV and air intake valve servo motor potentio meter voltage" Refer to page 5-52 in the service manual.

Page 5-52 basically says:

Check your air intake valve servo motor for loose connections. If it still throws a code, check the resistance of the terminals on the servo motor which should be 5k Ohms. If its not you got a bad motor.

Even if the motor is bad or just has a loose connection your bike should still run fine, although you might have a slight loss of horsepower in the upper rpm range.
 
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Old 04-04-2010, 05:00 PM
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oh, also check out the HTEV valve and servo thread in the stickeys
 
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Old 04-05-2010, 03:38 PM
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I appreciate that. Im gonna check all the connections 2marrow, and hopefully thats what it is.... Now once ive went over them all, will the fi light go immediately off once the issue is resolved, or will i have to reset something???
 
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Old 04-12-2010, 06:50 PM
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OK, the shop is telling me to buy a new servo motor that costs 700, or replace my exhaust system all together which bypasses the servo motor. But ive been reading on here, and it seems that there are ways of bypassing the servo, and being able to position the htev valve to the open positiion, which will fix the problem, and i wont have to buy either the new servo or the exhaust system???? Any help!!!
 
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Old 04-13-2010, 04:21 PM
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$700.00 for a new servo motor!!!It costs $260.00 brand new and you can install it in about an hour.The **** with that shop.Now if you wire or weld the valve open you will loose your mid range but increase your top end.Which do you like better?
 
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Old 04-16-2010, 03:33 PM
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I think ill just install the new servo, and hopefully that will be it.. But when i told the shop i had ordered one on ebay, and gonna install it myself, and they were trying to warn me not to, saying i had to sync it in.. is that true? and would my FI light automatically reset, or will i have to sync the servo, and reset the fi light as well?
 
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Old 04-16-2010, 04:00 PM
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Download or purchase a service manual and do it yourself. Just remember how the wires go on the servo motor and you'll be OK.
 
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Old 04-16-2010, 09:49 PM
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wow... sounds like that shop is really tryin to pry some money out of you... if it were me I'd never talk to them again.
 
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Old 04-16-2010, 09:51 PM
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oh... did you check the resistance on the servo? Before buying a new or used one make sure the one you have is bad. Even if the shop told you its bad, it might not be, doesnt really sound like you can trust em. If its not bad getting a new one wont help anything.
 


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